title: The effects of once-daily saquinavir/minidose ritonavir on the pharmacokinetics of methadone.
mesh_terms: D000328:Adult; D002853:Chromatography, Liquid; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D004347:Drug Interactions; D017320:HIV Protease Inhibitors / Q000097:blood / Q000494:pharmacology*; D006801:Humans; D008297:Male; D013058:Mass Spectrometry; D008657:Metabolic Clearance Rate; D008691:Methadone / Q000097:blood / Q000737:chemistry / Q000493:pharmacokinetics*; D008875:Middle Aged; D009294:Narcotics / Q000097:blood / Q000737:chemistry / Q000493:pharmacokinetics*; D019438:Ritonavir / Q000097:blood / Q000494:pharmacology*; D019258:Saquinavir / Q000097:blood / Q000494:pharmacology*; D013237:Stereoisomerism; D013997:Time Factors
chemical_list: D017320:HIV Protease Inhibitors; D009294:Narcotics; D019258:Saquinavir; D019438:Ritonavir; D008691:Methadone